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A Michel 640
Ligne: 10.5'''
Jewels: 7/15/17
Power Reserve: 40 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1940
Diameter: 23.75 mm
Height: 4.7 mm
Hands: 1.30 x 0.85 x 0.32 mm
The A Michel 640 is a mechanical watch movement that was in production around the year 1940. It features a manual wind mechanism and supports a sweep second function. Further information regarding differences between the 1015 and other similar movements such as the 1007, 1147, and 1160 is currently unknown.
The A Michel 640 features the following functions:
- Manual Winding
- Sweep second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.70 x 0.100 x 300 x 9.0 mm | GR4879 | Manual | Buy mainspring |
| 1.70 x 0.100 x 290 x 9.0 mm | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
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